Sentence Composition
| =1 | 看 | kān |
|
| =1 | 看 | kàn |
|
| 2 | 火車 | huǒchē | train |
| 3 | 來 | lái |
|
| =4 | 了 | le |
|
| =4 | 了 | liǎo |
| =4 | 了 | liǎo |
|
| =4 | 了 | liào | unofficial variant of 瞭 liào |